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FusionCol8000-E240 Modular Indirect Evaporative
Cooling System
User Manual
Context
The differential pressure switch can be maintained from the end only after the air
filter is removed.
Procedure
Step 1 On the home screen of the display module, tap Shutdown and turn off the unit
switch in the PDF.
Exercise caution because the unit is still energized after it is shut down on the
home screen of the display module.
Step 2 Remove the outdoor intake air filter.
Step 3 Cut off the cable ties on the cables, remove the bolts from the sheet metal, flip
the plate, and remove the sheet metal and differential pressure switch.
Figure 12-8 Removing the sheet metal
Step 4 Remove the pressure inlet tube.
Step 5 Remove the screws on the top cover of the differential pressure switch and cable
screws using a Phillips screwdriver and remove the cables.
Step 6 Remove the four screws using a Phillips screwdriver and remove the differential
pressure switch.
Step 7 Set a new value for the differential pressure switch based on the nearby label.
Step 8 Install the new differential pressure switch and sheet metal, install the pressure
inlet tube, and connect cables.
Step 9 Power on the unit and tap Start on the home screen. Ensure that the unit is
running normally without any alarms.
----End
Issue 03 (2021-04-20)
NO TICE
NO TE
Record the port position of the removed pressure inlet tube. After the replacement is
complete, reinstall the tube to the original position.
Copyright © Huawei Digital Power Technologies Co., Ltd.
12 Component Replacement
158
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